/* ===== Variables ===== */
:root {
    --bg: #0a0e17;
    --bg-alt: #0f1420;
    --card: #151d2e;
    --card-hover: #1a2540;
    --surface: #111827;
    --border: #1e293b;
    --border-light: #334155;
    --text: #e2e8f0;
    --text-sec: #94a3b8;
    --text-muted: #64748b;
    --primary: #f97316;
    --primary-light: #fb923c;
    --primary-dark: #ea580c;
    --primary-glow: rgba(249, 115, 22, 0.12);
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --purple: #a78bfa;
    --green: #10b981;
    --yellow: #f59e0b;
    --red: #ef4444;
    --font: 'Inter', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 16px rgba(0,0,0,0.4);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w: 1100px;
}

/* ===== Reset ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration:none; transition: var(--transition); }
a:hover { color: var(--primary-light); }

/* ===== Canvas Background ===== */
#bg-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Layout ===== */
.container { max-width: var(--max-w); margin:0 auto; padding:0 24px; }
.section { padding: 100px 0; position: relative; z-index: 1; }
.section-dark { background: var(--bg-alt); }
.section-header { margin-bottom: 48px; }
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    text-align: center;
    color: var(--text);
    margin-bottom: 8px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items:center; gap:8px;
    padding: 13px 26px; border-radius: var(--radius);
    font-size: 0.88rem; font-weight:600; cursor:pointer;
    transition: var(--transition); border:none; font-family: var(--font);
    text-decoration: none;
}
.btn-primary {
    background: var(--primary); color:#fff;
    box-shadow: 0 2px 12px rgba(249,115,22,0.25);
}
.btn-primary:hover { background: var(--primary-dark); transform:translateY(-1px); color:#fff; }
.btn-outline {
    background:transparent; color: var(--text-sec);
    border: 1px solid var(--border-light);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-full { width:100%; justify-content:center; }

/* ===== Navbar ===== */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    padding: 14px 0; transition: var(--transition);
    background: rgba(10,14,23,0.85); backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
}
.navbar.scrolled { padding:10px 0; border-bottom-color: var(--border); }
.nav-container {
    max-width: var(--max-w); margin:0 auto; padding:0 24px;
    display:flex; align-items:center; justify-content:space-between; gap: 16px;
}
.nav-logo {
    font-family: var(--mono); font-size:0.88rem; font-weight:700;
    color: var(--text); letter-spacing:-0.5px;
}
.logo-dot { color: var(--primary); }
.nav-menu { display:flex; gap:24px; list-style:none; }
.nav-link {
    color: var(--text-muted); font-size:0.8rem; font-weight:500;
    position:relative; padding:4px 0;
}
.nav-link::after {
    content:''; position:absolute; bottom:-2px; left:0;
    width:0; height:1.5px; background: var(--primary); transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

.nav-social { display:flex; gap:8px; }
.nav-social-link {
    width:32px; height:32px; display:flex; align-items:center; justify-content:center;
    border-radius: 6px; color: var(--text-muted); transition: var(--transition);
    border: 1px solid var(--border);
}
.nav-social-link:hover { color: var(--primary); border-color: var(--primary); }
.nav-social-link svg { width:15px; height:15px; }

.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; }
.nav-toggle span { width:22px; height:2px; background: var(--text); transition: var(--transition); }

/* ===== Hero ===== */
.hero {
    min-height:100vh; display:flex; align-items:center;
    padding: 120px 24px 80px; position:relative; z-index:1;
}
.hero-content {
    max-width: var(--max-w); margin:0 auto; width:100%;
    display:grid; grid-template-columns:1.2fr 1fr; gap:50px; align-items:center;
}
.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:6px 14px; background: var(--primary-glow);
    border:1px solid rgba(249,115,22,0.2); border-radius:100px;
    font-size:0.78rem; color: var(--primary-light); margin-bottom:20px;
}
.badge-dot { width:7px; height:7px; background: var(--green); border-radius:50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(.8)} }

.hero-title { font-size: clamp(1.7rem,3.8vw,2.6rem); font-weight:800; line-height:1.2; margin-bottom:18px; }
.hero-description { font-size:0.98rem; color: var(--text-sec); line-height:1.8; margin-bottom:28px; max-width:500px; }
.hero-cta { display:flex; gap:12px; flex-wrap:wrap; }

/* Terminal */
.hero-terminal { background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow); }
.terminal-header { display:flex; align-items:center; gap:7px; padding:11px 16px; background: var(--surface); border-bottom:1px solid var(--border); }
.terminal-dot { width:10px; height:10px; border-radius:50%; }
.terminal-dot.red { background: var(--red); }
.terminal-dot.yellow { background: var(--yellow); }
.terminal-dot.green { background: var(--green); }
.terminal-title { margin-left:auto; font-family: var(--mono); font-size:0.68rem; color: var(--text-muted); }
.terminal-body { padding:16px; font-family: var(--mono); font-size:0.78rem; line-height:1.8; }
.term-prompt { color: var(--green); }
.term-output { color: var(--text-sec); }
.term-key { color: var(--accent-light); }
.term-value { color: var(--primary-light); }
.term-cursor { animation: blink 1s step-end infinite; color: var(--primary); }
@keyframes blink { 50%{opacity:0} }

/* ===== Profile ===== */
.profile-grid { display:grid; grid-template-columns:1.4fr 1fr; gap:50px; align-items:start; }
.profile-text p { color: var(--text-sec); margin-bottom:14px; font-size:0.93rem; line-height:1.8; }
.profile-text strong { color: var(--text); font-weight:600; }
.profile-skills { display:flex; flex-direction:column; gap:12px; }
.skill-group { background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding:14px 18px; }
.skill-group h4 { font-size:0.68rem; text-transform:uppercase; letter-spacing:1px; color: var(--text-muted); margin-bottom:8px; font-weight:600; }
.skill-tags { display:flex; flex-wrap:wrap; gap:5px; }
.skill-tags span {
    padding:3px 9px; background: var(--primary-glow);
    border:1px solid rgba(249,115,22,0.15); border-radius:100px;
    font-size:0.72rem; color: var(--primary-light); font-weight:500;
}

/* ===== Certifications ===== */
.cert-group-title {
    font-size: 0.82rem; font-weight:700; text-transform:uppercase;
    letter-spacing:1px; color: var(--text-muted); margin:32px 0 16px;
    padding-left:12px; border-left:3px solid var(--primary);
}
.cert-group-title:first-of-type { margin-top:0; }

/* Featured certs with badge images */
.certs-featured {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap:14px;
}
.cert-card {
    display:flex; align-items:center; gap:14px;
    background: var(--card); border:1px solid var(--border); border-radius: var(--radius);
    padding:16px 18px; transition: var(--transition); text-decoration:none; color: var(--text);
}
.cert-card:hover { border-color: var(--border-light); transform:translateY(-2px); box-shadow: var(--shadow); color: var(--text); }
.cert-icon {
    width:52px; height:52px; border-radius:10px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
}
.cert-icon svg { width:26px; height:26px; }
.cert-icon-aws { background: rgba(255,153,0,0.1); border:1px solid rgba(255,153,0,0.25); color: #ff9900; }
.cert-icon-fortinet { background: rgba(238,45,49,0.1); border:1px solid rgba(238,45,49,0.2); color: #ee2d31; }
.cert-icon-lf { background: rgba(0,51,102,0.15); border:1px solid rgba(0,132,199,0.25); color: #0084c7; }
.cert-icon-tigera { background: rgba(10,190,186,0.1); border:1px solid rgba(10,190,186,0.25); color: #0abeba; }
.cert-icon-gitlab { background: rgba(252,109,38,0.1); border:1px solid rgba(252,109,38,0.25); color: #fc6d26; }
.cert-img { width:52px; height:52px; border-radius:8px; object-fit:contain; flex-shrink:0; background: var(--surface); padding:4px; }
.cert-info { flex:1; min-width:0; }
.cert-provider { font-size:0.65rem; text-transform:uppercase; letter-spacing:0.5px; color: var(--text-muted); font-weight:600; }
.cert-info h4 { font-size:0.82rem; font-weight:600; color: var(--text); margin:3px 0 6px; line-height:1.3; }
.cert-status { display:inline-block; padding:2px 8px; border-radius:100px; font-size:0.65rem; font-weight:600; }
.status-obtained { background:rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.25); color: var(--green); }
.status-expired { background:rgba(239,68,68,0.1); border:1px solid rgba(239,68,68,0.2); color: var(--red); }

/* Compact mini certs */
.certs-compact {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap:8px;
}
.cert-mini {
    display:flex; align-items:center; gap:8px;
    padding:10px 14px; background: var(--card); border:1px solid var(--border);
    border-radius: 6px; font-size:0.78rem; color: var(--text-sec); transition: var(--transition);
}
.cert-mini:hover { border-color: var(--border-light); }
.cert-mini-provider {
    flex-shrink:0; padding:2px 6px; background: var(--surface);
    border:1px solid var(--border); border-radius:4px;
    font-size:0.6rem; font-weight:700; color: var(--accent-light); text-transform:uppercase;
}
.certs-cta { text-align:center; margin-top:36px; }

/* ===== Projects Grid ===== */
.projects-grid {
    display:grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap:18px;
}
.project-card {
    background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg);
    padding:24px; transition: var(--transition); display:flex; flex-direction:column;
}
.project-card:hover { border-color: var(--border-light); transform:translateY(-3px); box-shadow: var(--shadow); }
.project-card-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.project-sector { font-size:0.68rem; color: var(--text-muted); text-transform:uppercase; letter-spacing:0.5px; font-weight:500; }
.project-num { font-family: var(--mono); font-size:0.75rem; color: var(--primary); font-weight:700; }
.project-card h3 { font-size:0.98rem; font-weight:700; margin-bottom:10px; line-height:1.4; }
.project-card p { font-size:0.83rem; color: var(--text-sec); line-height:1.6; margin-bottom:14px; flex-grow:1; }
.project-tech { display:flex; flex-wrap:wrap; gap:5px; }
.project-tech span {
    padding:3px 9px; background:rgba(6,182,212,0.05); border:1px solid rgba(6,182,212,0.15);
    border-radius:4px; font-size:0.68rem; color: var(--accent-light); font-family: var(--mono);
}

/* ===== Solutions ===== */
.solutions-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap:18px; }
.solution-card {
    background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg);
    padding:24px; transition: var(--transition); display:flex; flex-direction:column;
}
.solution-card:hover { border-color: var(--border-light); transform:translateY(-3px); box-shadow: var(--shadow); }
.solution-top { margin-bottom:14px; }
.solution-badge {
    padding:3px 9px; border-radius:100px; font-size:0.63rem; font-weight:700;
    text-transform:uppercase; letter-spacing:0.3px;
}
.badge-mcp { background:rgba(6,182,212,0.1); border:1px solid rgba(6,182,212,0.25); color: var(--accent-light); }
.badge-agent { background:rgba(167,139,250,0.1); border:1px solid rgba(167,139,250,0.25); color: var(--purple); }
.badge-tool { background:rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.25); color: var(--green); }
.solution-card h3 { font-size:0.95rem; font-weight:700; margin-bottom:8px; }
.solution-card p { font-size:0.82rem; color: var(--text-sec); line-height:1.6; margin-bottom:12px; flex-grow:1; }
.solution-tech { display:flex; flex-wrap:wrap; gap:5px; margin-bottom:12px; }
.solution-tech span { padding:2px 7px; background: var(--surface); border:1px solid var(--border); border-radius:100px; font-size:0.65rem; color: var(--text-muted); font-family: var(--mono); }
.solution-link { font-size:0.8rem; font-weight:600; color: var(--primary); }
.solutions-cta { text-align:center; margin-top:30px; }

/* ===== Articles ===== */
.articles-list { display:flex; flex-direction:column; gap:10px; }
.article-item {
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:18px 22px; background: var(--card); border:1px solid var(--border);
    border-radius: var(--radius); transition: var(--transition);
}
.article-item:hover { border-color: var(--border-light); transform:translateX(4px); }
.article-content h3 { font-size:0.9rem; font-weight:600; margin-bottom:3px; }
.article-content p { font-size:0.78rem; color: var(--text-muted); }
.article-status { flex-shrink:0; padding:4px 10px; border-radius:100px; font-size:0.67rem; font-weight:600; }
.status-draft { background:rgba(245,158,11,0.1); border:1px solid rgba(245,158,11,0.2); color: var(--yellow); }
.status-soon { background:rgba(100,116,139,0.1); border:1px solid rgba(100,116,139,0.25); color: var(--text-muted); }

/* ===== Contact ===== */
.contact-wrapper { display:grid; grid-template-columns:1fr 1.1fr; gap:50px; align-items:start; }
.contact-description { color: var(--text-sec); font-size:0.95rem; line-height:1.8; margin-bottom:24px; }
.contact-links { display:flex; flex-direction:column; gap:12px; }
.contact-link-item { display:inline-flex; align-items:center; gap:10px; color: var(--text-sec); font-size:0.88rem; font-weight:500; }
.contact-link-item:hover { color: var(--primary); }
.contact-link-item svg { width:17px; height:17px; flex-shrink:0; }
.contact-form { display:flex; flex-direction:column; gap:12px; }
.form-group input, .form-group select, .form-group textarea {
    width:100%; padding:12px 15px; background: var(--card); border:1px solid var(--border);
    border-radius: var(--radius); color: var(--text); font-family: var(--font); font-size:0.88rem;
    transition: var(--transition); outline:none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-group select {
    appearance:none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat:no-repeat; background-position:right 12px center; padding-right:38px;
}
.form-group select option { background: var(--card); }
.form-group textarea { resize:vertical; min-height:90px; }

/* ===== Footer ===== */
.footer { border-top:1px solid var(--border); padding:24px 0; position:relative; z-index:1; }
.footer-content { display:flex; justify-content:space-between; align-items:center; }
.footer-info { display:flex; gap:14px; font-size:0.78rem; color: var(--text-muted); }
.footer-links { display:flex; gap:10px; }
.footer-links a {
    width:34px; height:34px; display:flex; align-items:center; justify-content:center;
    background: var(--card); border:1px solid var(--border); border-radius:6px;
    color: var(--text-muted); transition: var(--transition);
}
.footer-links a:hover { border-color: var(--primary); color: var(--primary); }
.footer-links svg { width:15px; height:15px; }

/* ===== Animations ===== */
.fade-in { opacity:0; transform:translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* ===== Responsive ===== */
@media (max-width:968px) {
    .hero-content { grid-template-columns:1fr; gap:36px; }
    .hero-terminal { max-width:460px; }
    .profile-grid { grid-template-columns:1fr; gap:32px; }
    .contact-wrapper { grid-template-columns:1fr; gap:32px; }
    .certs-featured { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
    .projects-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width:768px) {
    .nav-menu {
        position:fixed; top:0; right:-100%; width:260px; height:100vh;
        background: var(--surface); flex-direction:column; padding:80px 28px 28px; gap:18px;
        transition: var(--transition); border-left:1px solid var(--border);
    }
    .nav-menu.active { right:0; }
    .nav-social { display:none; }
    .nav-toggle { display:flex; }
    .nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
    .nav-toggle.active span:nth-child(2) { opacity:0; }
    .nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

    .hero { min-height:auto; padding:100px 24px 60px; }
    .section { padding:60px 0; }
    .projects-grid { grid-template-columns:1fr; }
    .certs-featured { grid-template-columns:1fr; }
    .certs-compact { grid-template-columns:1fr 1fr; }
    .solutions-grid { grid-template-columns:1fr; }
    .article-item { flex-direction:column; align-items:flex-start; gap:10px; }
    .footer-content { flex-direction:column; gap:14px; text-align:center; }
    .footer-info { flex-direction:column; gap:4px; }
}

@media (max-width:480px) {
    .hero-title { font-size:1.5rem; }
    .certs-compact { grid-template-columns:1fr; }
    .cert-card { flex-direction:column; align-items:flex-start; gap:10px; }
    .cert-img { width:44px; height:44px; }
}